<template>
  <transition name="fade">
    <cube-popup
      :mask-closable=true
      v-show="visible"
      @mask-click="maskClick"
      position="bottom"
      type="shop-cart-list"
      :z-index=90
    >
      <transition
        name="move"
        @after-leave="afterLeave"
      >
        <div v-show="visible">
          <div class="list-header">
            <h1 class="title">购物车</h1>
            <span class="empty" @click="empty">清空</span>
          </div>
          <cube-scroll class="list-content" ref="listContent">
            <ul>
              <li
                class="food"
                v-for="(food,index) in selectFoods"
                :key="index"
              >
                <span class="name">{{food.name}}</span>
                <div class="price">
                  <span>￥{{food.price*food.count}}</span>
                </div>
                <div class="cart-control-wrapper">
                  <cart-control @add="onAdd" :food="food"></cart-control>
                </div>
              </li>
            </ul>
          </cube-scroll>
        </div>
      </transition>
    </cube-popup>
  </transition>
</template>

<script>
import CartControl from 'components/cart-control/cart-control'
import popupMixin from 'common/mixins/popup'

const EVENT_SHOW = 'show'
const EVENT_ADD = 'add'
const EVENT_LEAVE = 'leave'

export default {
  name: 'shop-cart-list',
  mixins: [popupMixin],
  props: {
    selectFoods: {
      type: Array,
      default () {
        return []
      }
    }
  },
  created () {
    this.$on(EVENT_SHOW, () => {
      this.$nextTick(() => {
        this.$refs.listContent.refresh()
      })
    })
  },
  methods: {
    onAdd (target) {
      this.$emit(EVENT_ADD, target)
    },
    afterLeave () {
      this.$emit(EVENT_LEAVE)
    },
    maskClick () {
      this.hide()
    },
    empty () {
      this.dialogComp = this.$createDialog({
        type: 'confirm',
        content: '清空购物车？',
        $events: {
          confirm: () => {
            this.selectFoods.forEach((food) => {
              food.count = 0
            })
            this.hide()
          }
        }
      })
      this.dialogComp.show()
    }
  },
  components: {
    CartControl
  }
}
</script>

<style lang="stylus" scoped>
@import "~common/stylus/variable"
.cube-shop-cart-list
  bottom: 48px

  &.fade-enter, &.fade-leave-active
    opacity: 0

  &.fade-enter-active, &.fade-leave-active
    transition: all .3s ease-in-out

  .move-enter, .move-leave-active
    transform: translate3d(0, 100%, 0)

  .move-enter-active, .move-leave-active
    transition: all .3s ease-in-out

  .list-header
    height: 40px
    line-height: 40px
    padding: 0 18px
    background: $color-background-ssss

    .title
      float: left
      font-size: $fontsize-medium
      color: $color-dark-grey

    .empty
      float: right
      font-size: $fontsize-small
      color: $color-blue

  .list-content
    padding: 0 18px
    max-height: 217px
    overflow: hidden
    background: $color-white

    .food
      position: relative
      padding: 12px 0
      box-sizing: border-box

      .name
        line-height: 24px
        font-size: $fontsize-medium
        color: $color-dark-grey

      .price
        position: absolute
        right: 90px
        bottom: 12px
        line-height: 24px
        font-weight: 700
        font-size: $fontsize-medium
        color: $color-red

      .cart-control-wrapper
        position: absolute
        right: 0
        bottom: 6px

</style>
